Happenings and Fluxus. Three publications
(1) Al Hansen, A Primer of Happenings & Time/Space Art. New York, Something Else Press, 1965. Hardcover with dust-jacket, 21 x 14 cm, 145 pp. (2) Jurgen Becker and Wolf Vostell, Happenings Fluxus Pop Art. Reinbek, Rowohlt, 1965. Softcover, 20.5 x 14.5, 470 pp. Text in German.
(3) In the Spirit of Fluxus. Minneapolis, Walker Art Center, 1993. Softcover, 30 x 23 cm, 193 pp. Exhibition catalogue edited by Elizabeth Armstrong and Joan Rothfuss. Profusely illustrated with images from the Fluxus collections of Walker Art Center and Gilbert and Lila Silverman, as well as performance documentation. (total 3)